Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
cua thuong » cua truong, cua phuong, ca thuong
canh ban » canh dan, canh van, doanh ban
cong van » cong vang, cong san, song van
can ban » van ban, toan ban
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang ban, van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chieu xanh)) - ((canh ban) OR (can ban)) cua thuong cong van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu xanh)) - ((canh ban) OR (can ban)) cua thuong cong van tan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu xanh)) - ((canh ban) OR (can ban)) cua thuong cong van tan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu xanh)) - ((canh ban) OR (can ban)) cua thuong cong van tan ban*.